import std.stdio;

void main()
{

	int op;

	printInfo();

	writeln("Please enter the function option number: ");
	puts("1.see info of");
	puts("2.boot nihao-kernel");

	scanf("%d", &op);

	switch(op)
	{
		case 1: printInfo();break;
		case 2: writeln("nihao-kernel is booting.....");;break;

		default: break;
	}
}

void printInfo()
{
	writeln("This is a string carton !");
	puts("   _   _   _     _   _                     _    ");
	puts("  | | / | (_)   | | | |    ___      ___   | |   ");
	puts("  | |/  | |-|   | |_| |  ,'_  '.  ,' _ '. | |   ");
	puts("  |  /| | | |   | |_| | | (_)  |  | (_) | |_|   ");
	puts("  |_/ |_| |_|   |_| |_|  '._,\\_|  '.___.' (@)   ");
	puts("###############################################");
}